BaseTools: Eot tool never populates this dictionary

we initialize this dict and then check it's contents, but never add items.
we can remove it without any effect.

Cc: Liming Gao <liming.gao@intel.com>
Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jaben Carsey <jaben.carsey@intel.com>
Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>

BaseTools/Source/Python/Eot/EotGlobalData.py

@@ -72,10 +72,6 @@ gOP_SOURCE_FILES = open(gSOURCE_FILES, 'w+')
 # Dict for GUID found in DEC files
 gGuidDict = dict()
 
-# Dict for hard coded GUID Macros
-# {GuidName : [GuidMacro : GuidValue]}
-gGuidMacroDict = sdict()
-
 # Dict for PPI
 gPpiList = {}